The broken lines showing environmental structural is for illustrative purposes only and form no part of the claim.
The broken lines showing environmental structural is for illustrative purposes only and form no part of the claim.
| Number | Name | Date | Kind |
|---|---|---|---|
| 3972510 | Dougherty | Aug 1976 | A |
| 4103875 | Glass | Aug 1978 | A |
| 4269008 | Assouline | May 1981 | A |
| D642654 | Paulin | Aug 2011 | S |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 13079803 | Apr 2011 | US |
| Child | 29409299 | US |